diff options
| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2018-04-29 01:46:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-03 07:50:38 +0200 |
| commit | 17b26041363f7d4589e23bcad21f62dbfcf50bf8 (patch) | |
| tree | 49afd0c7da3c17c35f29a8c4b57b8df5c4bb4a00 /drivers/spi/spi-meson-spicc.c | |
| parent | c9e5888ec8ae248d30b499a0add51047ef135b03 (diff) | |
spi: meson-spicc: Fix error handling in meson_spicc_probe()
[ Upstream commit ded5fa4e8bac25612caab8f0822691308a28a552 ]
If devm_spi_register_master() fails in meson_spicc_probe(),
spicc->core is left undisabled. The patch fixes that.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spi/spi-meson-spicc.c')
| -rw-r--r-- | drivers/spi/spi-meson-spicc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c index 7f8429635502..a5b0df7e6131 100644 --- a/drivers/spi/spi-meson-spicc.c +++ b/drivers/spi/spi-meson-spicc.c @@ -574,10 +574,15 @@ static int meson_spicc_probe(struct platform_device *pdev) master->max_speed_hz = rate >> 2; ret = devm_spi_register_master(&pdev->dev, master); - if (!ret) - return 0; + if (ret) { + dev_err(&pdev->dev, "spi master registration failed\n"); + goto out_clk; + } - dev_err(&pdev->dev, "spi master registration failed\n"); + return 0; + +out_clk: + clk_disable_unprepare(spicc->core); out_master: spi_master_put(master); |